John I Stanley of the Isle of Man
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Sir John Stanley, King and Lord of Man and the Isles (c.1350 - 1414), the first of that name, was Lord Lieutenant of Ireland and titular King of the Isle of Man. The Stanley family later became the Earls of Derby and remained prominent in English history into modern times.
In 1405 he was granted the tenure of the Isle of Man under the title of King by Henry IV, which had been confiscated from the rebellious Henry Percy, 1st Earl of Northumberland.
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